var data = [{
	label: '德玛西亚',
	id: 1,
	children: [{
		id: 2,
		label: '二级 1-1',
		children: [{
			id: 6,
			label: '三级 1-1-1'
		}]
	}]
}, {
	id: 3,
	label: '诺克萨斯',
	children: [{
		id: 4,
		label: '二级 2-1',
		children: [{
			id: 7,
			label: '三级 2-1-1'
		}]
	}, {
		id: 5,
		label: '二级 2-2',
		children: [{
			id: 8,
			label: '三级 2-2-1'
		}]
	}]
}]
